*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #f7f4ee;
  --ink: #1c1b19;
  --muted: #6b6560;
  --rule: #d9d2c5;
  --accent: #3d5a4c;
  --accent-hover: #2f473c;
  --field: #fffdf8;
  --page: 76rem;
  --measure: 35rem;
  --measure-wide: 43rem;
  --gutter: clamp(1.25rem, 4vw, 3.5rem);
  --serif: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --masthead-size: clamp(1.15rem, 2vw, 1.55rem);
  --display-size: clamp(2.75rem, 6vw, 4.8rem);
  --title-size: clamp(2.2rem, 4vw, 3.25rem);
  --quote-size: clamp(1.28rem, 2.2vw, 1.72rem);
  --body-size: 1.05rem;
  --label-size: 0.69rem;
  --label-tracking: 0.11em;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4.5rem;
  --space-7: 7rem;
}

@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/source-serif-4-latin-400-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Source Serif 4";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/source-serif-4-latin-400-italic.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

html {
  font-size: 18px;
  color-scheme: light;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: var(--body-size);
  line-height: 1.68;
}

::selection {
  background: #e8e1d4;
  color: var(--ink);
}

.page-grid,
.container {
  width: 100%;
  max-width: var(--page);
  margin: 0 auto;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(0.85rem, 2vw, 1.75rem);
}

.container.narrow,
.editorial {
  max-width: var(--page);
}

.container.narrow > *,
.editorial > * {
  grid-column: 3 / span 6;
}

a {
  color: var(--accent);
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
}

a:hover {
  color: var(--accent-hover);
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.55rem 0.75rem;
  transform: translateY(-160%);
  background: var(--ink);
  color: var(--bg);
  font-family: var(--sans);
  font-size: 0.75rem;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-nav {
  padding: clamp(1.5rem, 4vw, 2.8rem) 0 0;
}

.site-nav .container {
  align-items: baseline;
}

.wordmark {
  grid-column: 1 / span 6;
  justify-self: start;
  padding: 0.2rem 0;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--serif);
  font-size: var(--masthead-size);
  font-weight: normal;
  letter-spacing: 0.085em;
  line-height: 1;
  text-transform: uppercase;
}

.wordmark:hover {
  color: var(--ink);
}

.nav-links {
  grid-column: 9 / -1;
  justify-self: end;
  display: flex;
  gap: clamp(1rem, 2.5vw, 2rem);
  font-family: var(--sans);
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.74rem;
  letter-spacing: 0.035em;
  padding: 0.45rem 0;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--ink);
}

.label {
  font-family: var(--sans);
  font-size: var(--label-size);
  font-weight: 500;
  letter-spacing: var(--label-tracking);
  text-transform: uppercase;
  color: var(--accent);
  line-height: 1.4;
}

main {
  flex: 1;
}

.hero {
  grid-column: 3 / span 7;
  padding: clamp(5rem, 10vw, 8.5rem) 0 clamp(4.5rem, 8vw, 7rem);
}

.hero .label {
  margin-bottom: var(--space-3);
}

.hero h1 {
  max-width: 15ch;
  font-size: var(--display-size);
  font-weight: normal;
  letter-spacing: -0.025em;
  line-height: 0.98;
  margin-bottom: var(--space-4);
}

.letter h1 {
  max-width: 12ch;
  font-size: var(--title-size);
  font-weight: normal;
  letter-spacing: -0.018em;
  line-height: 1.05;
  margin-bottom: var(--space-4);
}

.lede,
.letter p {
  color: var(--ink);
  margin-bottom: 1.15em;
}

.lede {
  max-width: 31rem;
  font-size: clamp(1.12rem, 1.8vw, 1.3rem);
  line-height: 1.55;
}

.page-deck {
  max-width: 31rem;
  margin-bottom: var(--space-5);
  font-size: 1.18rem;
  line-height: 1.55;
}

.beta-banner {
  margin: 0 0 var(--space-4);
  padding: var(--space-3) 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.78rem;
  line-height: 1.6;
}

.beta-banner p {
  margin: 0;
}

.beta-banner strong {
  color: var(--ink);
  font-weight: 500;
}

.letter p:last-child {
  margin-bottom: 0;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--space-4);
  padding: 0.9rem 1.55rem;
  min-height: 3rem;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-family: var(--sans);
  font-size: 0.92rem;
  letter-spacing: 0.055em;
  line-height: 1.2;
}

.cta:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
}

.cta:focus-visible {
  outline-offset: 2px;
}

.pull {
  grid-column: 2 / span 8;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: clamp(3rem, 6vw, 5rem) clamp(0rem, 3vw, 2.5rem);
  margin: 0 0 clamp(5rem, 9vw, 8rem);
}

.pull p {
  font-size: var(--quote-size);
  font-style: italic;
  line-height: 1.48;
}

.pull cite {
  display: block;
  margin-top: var(--space-4);
  font-family: var(--sans);
  font-style: normal;
  font-size: 0.72rem;
  letter-spacing: 0.035em;
  color: var(--muted);
}

.details {
  grid-column: 2 / span 9;
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  column-gap: clamp(0.85rem, 2vw, 1.75rem);
  padding: 0 0 clamp(6rem, 11vw, 10rem);
}

.details .label,
.details h2 {
  grid-column: 1 / span 2;
  font-family: var(--sans);
  font-size: var(--label-size);
  font-weight: 500;
  letter-spacing: var(--label-tracking);
  text-transform: uppercase;
  color: var(--accent);
  margin: 0;
  padding-top: 0.35rem;
}

.details-body {
  grid-column: 3 / span 5;
}

.departments {
  margin: 0;
  border-top: 1px solid var(--rule);
}

.departments > div {
  padding: 1rem 0 1.05rem;
  border-bottom: 1px solid var(--rule);
}

.departments dt {
  color: var(--accent);
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.4;
  text-transform: uppercase;
}

.departments dd {
  margin: 0.3rem 0 0;
  line-height: 1.5;
}

.letter {
  padding: clamp(5rem, 10vw, 8rem) 0 clamp(6rem, 11vw, 9rem);
}

.letter > .label,
.not-found > .label {
  margin-bottom: var(--space-3);
}

.letter h2 {
  margin: var(--space-6) 0 var(--space-2);
  font-family: var(--sans);
  font-size: var(--label-size);
  font-weight: 500;
  letter-spacing: var(--label-tracking);
  line-height: 1.4;
  text-transform: uppercase;
  color: var(--accent);
}

.letter hr {
  margin: var(--space-5) 0;
  border: 0;
  border-top: 1px solid var(--rule);
}

.note {
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.76rem;
  line-height: 1.55;
  letter-spacing: 0.01em;
}

.note a {
  color: inherit;
}

.signup {
  margin: var(--space-5) 0 var(--space-4);
}

.signup fieldset {
  min-width: 0;
  margin: 0 0 var(--space-5);
  padding: 0;
  border: 0;
}

.signup fieldset + fieldset {
  padding-top: var(--space-4);
  border-top: 1px solid var(--rule);
}

.signup legend {
  width: 100%;
  margin-bottom: var(--space-3);
  font-family: var(--sans);
  font-size: var(--label-size);
  font-weight: 500;
  letter-spacing: var(--label-tracking);
  line-height: 1.4;
  text-transform: uppercase;
  color: var(--accent);
}

.field-note {
  margin: calc(-1 * var(--space-2)) 0 var(--space-3);
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.76rem;
  line-height: 1.55;
}

.signup label {
  display: block;
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.035em;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.signup .optional {
  color: var(--muted);
  font-weight: normal;
}

.signup input[type="email"],
.signup input[type="text"],
.signup input[type="date"] {
  display: block;
  width: 100%;
  min-height: 3.05rem;
  padding: 0.7rem 0.85rem;
  margin: 0 0 var(--space-3);
  border: 1px solid var(--rule);
  border-radius: 0;
  background: var(--field);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.4;
  appearance: none;
  -webkit-appearance: none;
}

.signup input[type="date"] {
  font-family: var(--sans);
  font-size: 0.95rem;
}

.signup input[type="email"]:hover,
.signup input[type="text"]:hover,
.signup input[type="date"]:hover {
  border-color: #c9c0b1;
}

.signup input[type="email"]:focus,
.signup input[type="text"]:focus,
.signup input[type="date"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.signup .check {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: normal;
  line-height: 1.5;
  letter-spacing: 0;
  margin: 0.3rem 0 var(--space-3);
}

.signup .check input {
  width: 1.15em;
  height: 1.15em;
  margin-top: 0.35em;
  flex: 0 0 auto;
  accent-color: var(--accent);
}

.signup button {
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.055em;
  padding: 0.85rem 1.35rem;
  min-height: 3rem;
  border: 1px solid var(--accent);
  border-radius: 0;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

.signup button:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.form-error {
  color: var(--ink);
  margin: 0 0 var(--space-4);
  padding: 0.85rem 0;
  border-top: 1px solid var(--accent);
  border-bottom: 1px solid var(--accent);
  font-family: var(--sans);
  font-size: 0.8rem;
  line-height: 1.5;
}

.not-found {
  grid-column: 3 / span 6;
  padding: clamp(6rem, 13vw, 11rem) 0 clamp(7rem, 14vw, 12rem);
}

.not-found h1 {
  max-width: 13ch;
  font-size: var(--title-size);
  font-weight: normal;
  line-height: 1.05;
  margin-bottom: var(--space-3);
}

.not-found p {
  color: var(--muted);
  margin-bottom: 1.2em;
}

footer {
  border-top: 1px solid var(--rule);
  padding: var(--space-3) 0 var(--space-5);
  margin-top: auto;
  font-family: var(--sans);
}

.help-strip {
  border-bottom: 1px solid var(--rule);
  padding: 0 0 var(--space-3);
  margin-bottom: var(--space-4);
}

.help-strip-inner {
  align-items: flex-start;
}

.help-strip p {
  grid-column: 3 / span 7;
  font-size: 0.72rem;
  line-height: 1.55;
  letter-spacing: 0.01em;
  color: var(--muted);
  margin: 0;
}

.disclaimer {
  grid-column: 3 / span 7;
  font-size: 0.72rem;
  line-height: 1.55;
  color: var(--muted);
  margin: 0;
}

.footer-links {
  grid-column: 11 / -1;
  justify-self: end;
  display: flex;
  gap: var(--space-2);
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.72rem;
}

.footer-links a:hover,
.footer-links a[aria-current="page"] {
  color: var(--ink);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.signup input[type="email"]:focus-visible,
.signup input[type="text"]:focus-visible,
.signup input[type="date"]:focus-visible {
  outline: none;
}

.signup button:focus-visible {
  outline-offset: 2px;
}

@media (prefers-reduced-motion: no-preference) {
  a,
  .cta,
  .nav-links a,
  .footer-links a,
  .signup button,
  .signup input {
    transition: color 0.12s ease, border-color 0.12s ease, background-color 0.12s ease;
  }
}

@media (max-width: 760px) {
  .container,
  .page-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .wordmark {
    grid-column: 1 / span 3;
  }

  .nav-links {
    grid-column: 4 / -1;
  }

  .hero,
  .container.narrow > *,
  .editorial > *,
  .not-found {
    grid-column: 1 / -1;
  }

  .pull {
    grid-column: 1 / -1;
  }

  .details {
    grid-column: 1 / -1;
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .details .label,
  .details h2 {
    grid-column: 1 / span 2;
  }

  .details-body {
    grid-column: 3 / -1;
  }

  .help-strip p {
    grid-column: 1 / -1;
  }

  .disclaimer {
    grid-column: 1 / span 5;
  }

  .footer-links {
    grid-column: 6;
  }
}

@media (max-width: 520px) {
  html {
    font-size: 17px;
  }

  :root {
    --gutter: 1.15rem;
  }

  .wordmark {
    font-size: 1rem;
    letter-spacing: 0.07em;
    white-space: nowrap;
  }

  .hero {
    padding-top: 4.5rem;
    padding-bottom: 4rem;
  }

  .hero h1 {
    max-width: 13ch;
  }

  .letter {
    padding-top: 4rem;
  }

  .pull {
    padding: 2.75rem 0;
    margin-bottom: 4.5rem;
  }

  .details {
    display: block;
  }

  .details .label,
  .details h2 {
    margin-bottom: var(--space-3);
  }

  .help-strip p,
  .disclaimer {
    grid-column: 1 / -1;
  }

  .footer-links {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: start;
    margin-top: var(--space-2);
  }
}